How To Fix R8042 - Metadata generation: System is not connected to a BW system

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 042

• Message text: Metadata generation: System is not connected to a BW system

What causes this issue?

The system is not connected to a BW system.

System Response

When OLTP metadata is generated, an OLTP source is generated
exclusively for BW 2.0 systems. To connect the source to a BW 1.2, you
must convert the metadata.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R8042 - Metadata generation: System is not connected to a BW system ?

  The SAP error message R8042, which states "Metadata generation: System is not connected to a BW system," typically occurs in the context of SAP Business Warehouse (BW) or when working with SAP BusinessObjects tools that require a connection to a BW system for metadata generation.
  Cause:
  
  Lack of Connection: The most common cause of this error is that the system you are working on is not properly connected to a BW system. This could be due to configuration issues or network problems.
  Incorrect Configuration: The connection settings in the SAP system may not be correctly configured, leading to the inability to establish a connection to the BW system.
  Authorization Issues: The user may not have the necessary authorizations to access the BW system, which can prevent the connection from being established.
  BW System Down: The BW system itself may be down or not reachable due to network issues or maintenance activities.
  
  Solution:
  
  
  Check Connection Settings:
  
  Verify the connection settings in the SAP system. Ensure that the BW system is correctly defined in the RFC (Remote Function Call) destination.
  Use transaction SM59 to check the RFC connection to the BW system. Test the connection to ensure it is working.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing the connection to the BW system. Check firewalls, VPNs, or any other network configurations that might block access.
  
  
  
  User Authorizations:
  
  Check the user authorizations for the user trying to access the BW system. Ensure that the user has the necessary roles and permissions to connect to the BW system.
  
  
  
  BW System Status:
  
  Verify that the BW system is up and running. Check for any maintenance activities or downtimes that might affect connectivity.
  
  
  
  Reconfigure Connection:
  
  If the connection settings are incorrect, reconfigure the connection to the BW system. This may involve updating the connection parameters or creating a new RFC destination.
  
  
  
  Consult Logs:
  
  Check the system logs for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to error R8042 for any specific patches or updates that may address this issue.
  Documentation: Review the SAP documentation for BW and BusinessObjects for guidance on setting up and troubleshooting connections.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the R8042 error related to metadata generation in SAP.